1.
Fill the tester cup with hydraulic valve tappet test oil until the tappet is completely submerge
为测试杯注入阀门挺杆测试油，直到挺杆完全浸入水中。
2.
The wastewater samples is transmitted by an air-operated aspirator to the liquid injection valve.
用气动吸引器将废水试样送入液体注射阀。
3.
Slightly open shutoff valve No.1 and allow water to fill the tube to the top then close No.1 shutoff.
稍微开启关闭阀1号，将水注入管子直到顶部为止，然后关闭1号关闭阀。
4.
Pacific Valves' unique injector has a double ball check protection against leakage and a positive shut-off internal valve.
美国太平洋阀门独特的注入器具有双球止回保护，防止泄露，并保护阀门内部活动部件。
5.
Needle& check valves metered injector utilizes the diaphragm design for extremely quiet operation.
针阀定量注入式并采用膜片设计其运作非常安静。
6.
While unscrewing the injector button head, a second wrench must be used to assure that the injector body is not loosened from the main valve.
在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。
7.
The injector button head must be unscrewed one half turn to open the internal valve before injecting grease.
在注入润滑油之前，注入器圆头螺栓必须拧松半圈，打开阀门内部部件通道。
8.
The valve should require no lubrication, and contain no "dead" volumes.
注样阀应无需润滑，阀内要无“死”角。
9.
The check valve and relief valve seats shall be push-in type.
这种止回阀和安全阀阀座应该是推入式的。
10.
suction valve bolt and split pin
吸入阀螺栓及开尾销
11.
Bronze suction valve for seaward sluice
GB/T2030-1980青铜吸入通海阀
12.
Cast steel suction valve for seaward sluice
GB/T2029-1980铸钢吸入通海阀
13.
engine-room emergency bilge suction valve
机舱应急舱底水吸入阀
14.
Slowly open upstream shutoff and allow the backflow preventer to fill slowly.
慢慢开启上游关闭阀，让防回流阀慢慢注水。
15.
Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol.
注：1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。
16.
Caution: If cover will not press flat against body, stem assembly is crooked and damage can result. Re-align stem and cover before bolts are inserted.
警告：如果阀盖不压平在阀体上，阀杆就可能扭曲和损坏。在插入螺栓之前，重新对齐阀杆和阀盖。
17.
When valve is filled, open the downstream shutoff slowly and fill the water supply system.
阀门注满后，慢慢开启下游关闭阀对水供应系统注水。
18.
Do not allow any pipe dope into valve body in order to avoid damage to disc and seat.
不要让任何管道粘接剂流入阀体内,以避免损坏阀瓣和阀座。